package com.nopay.cdxphone.base;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.text.TextUtils;

import java.util.Locale;

/**
 * Copyright (C), 2015-2019, 大连华信计算机有限公司
 *
 * @Author: 陈宁
 * @email: ning1.chen@dhc.com.cn
 * @ProjectName: MillionTons$
 * @Package: com.example.milliontons.util$
 * @ClassName: 网络工具类
 * @Description: java类作用描述
 * @CreateDate: 2019/8/23$ 13:54$
 * @UpdateUser: 更新者
 * @UpdateDate: 2019/8/23$ 13:54$
 * @UpdateRemark: 更新内容
 * @Version: 1.0
 */
public class NetworkUtil {
    public static final int NETTYPE_WIFI = 0x01;
    public static final int NETTYPE_CMWAP = 0x02;
    public static final int NETTYPE_CMNET = 0x03;

    /**
     * 检测网络是否可用
     */
    public static boolean isNetworkConnected(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo ni = null;
        if (cm != null) {
            ni = cm.getActiveNetworkInfo();
        }
        return ni != null && ni.isConnectedOrConnecting();
    }

    /**
     * 获取当前网络类型
     *
     * @return 0：没有网络 1：WIFI网络 2：WAP网络 3：NET网络
     */
    public static int getNetworkType(Context context) {
        int netType = 0;
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = null;
        if (connectivityManager != null) {
            networkInfo = connectivityManager.getActiveNetworkInfo();
        }
        if (networkInfo == null) {
            return netType;
        }
        int nType = networkInfo.getType();
        if (nType == ConnectivityManager.TYPE_MOBILE) {
            String extraInfo = networkInfo.getExtraInfo();
            if (!TextUtils.isEmpty(extraInfo)) {
                if ("cmnet".equals(extraInfo.toLowerCase(Locale.ENGLISH))) {
                    netType = NETTYPE_CMNET;
                } else {
                    netType = NETTYPE_CMWAP;
                }
            }
        } else if (nType == ConnectivityManager.TYPE_WIFI) {
            netType = NETTYPE_WIFI;
        }
        return netType;
    }
}
